... doors with aluminum frames.3,full ramps made of embossed steel.air outlet and inlet system1,the ... YDW series centrifugal fan is of Siemens technology, this fan has low noise, ... shelf with active carbon,ensuring a high level of environment-friendliness.others1,with one tool box where the ... can be put.2,with one set of Frame rail made of stainless steel,where little spare parts ...